ちゃっぴの監禁部屋

Console application も GUI application? のつづき

HWINSTA hWinSta = GetProcessWindowStation();
if (hWinSta)
{
DWORD dwLength = 0;
GetUserObjectInformation(hWinSta
                       , UOI_NAME
                       , NULL
                       , 0
                       , &dwLength);
if (dwLength)
{
    LPWSTR lpName = (LPWSTR)HeapAlloc(GetProcessHeap()
                                    , HEAP_GENERATE_EXCEPTIONS | HEAP_ZERO_MEMORY
                                    , dwLength);
    BOOL result = GetUserObjectInformation(hWinSta
                                         , UOI_NAME
                                         , lpName
                                         , dwLength
                                         , &dwLength);
    if (result)
    {
        wprintf_s(L"%s\n", lpName);
    }
    HeapFree(GetProcessHeap(), 0, lpName);
}

Batch logon 等 non-interactive な process で利用される SAWinSta とはなんぞや？